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Byju's Answer
Standard XII
Chemistry
Werner's Coordination Theory
Which of the ...
Question
Which of the following complexes will have a tetrahedral shape?
A
[
P
d
C
l
4
]
2
−
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B
[
P
d
(
C
N
)
4
]
2
−
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C
[
N
i
(
C
N
)
4
]
2
−
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D
[
N
i
C
l
4
]
2
−
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Solution
The correct option is
D
[
N
i
C
l
4
]
2
−
In case of 3d series, central metal atom of C.N. 4
has tetrahedral shape for weak field ligands & square planar for strong field ligands.
For Pd both ligands act as strong field.
[
N
i
C
l
4
]
2
−
=
C
l
−
→
Weak field ligand.
⇒
N
i
2
+
⇒
[
A
r
]
3
d
8
As the ligand is weak field ligands the complex has tetrahedral geometry of
s
p
3
hybridization.
Suggest Corrections
0
Similar questions
Q.
(a) What type of isomerism is shown by the complex
[
C
o
(
N
H
3
)
5
(
S
C
N
)
]
2
+
?
(b) Why is
[
N
i
C
l
4
]
2
−
paramagnetic while
[
N
i
(
C
N
)
4
]
2
−
is diamagnetic? (Atomic number of Ni = 28)
(c) Why are low spin tetrahedral complexes rarely observed?
Q.
(a) What type of isomerism is shown by the complex
[
C
o
(
N
H
3
)
5
(
S
C
N
)
]
2
+
?
(b) Why is
[
N
i
C
l
4
]
2
+
paramagnetic while
[
N
i
(
C
N
)
4
]
2
−
is diamagnetic?
(Atomic number of
N
i
=
28
)
(c) Why are low spin tetrahedral complexes rarely observed?
Q.
Consider following complexes :
I:
[
F
e
(
H
2
O
)
6
]
2
+
II :
[
F
e
(
C
N
)
6
]
4
−
III :
[
N
i
(
C
O
)
4
]
IV :
[
N
i
(
H
2
O
)
4
]
2
+
V :
[
N
i
(
C
N
)
4
]
2
−
Out of this, select the complexes with t
etrahedral geometry
:
Q.
There are four complexes of Ni. Select the complex(es) which will be attracted by a magnetic field.
(I)
[
N
i
(
C
N
)
4
]
2
−
(II)
[
N
i
C
l
4
]
2
−
(III)
[
N
i
(
C
O
)
4
]
(IV)
[
N
i
(
H
2
O
)
6
]
2
+
Q.
Calculate the difference in magnetic moment of complexes
[
N
i
(
C
N
)
4
]
2
−
and
[
N
i
(
C
l
)
4
]
2
−
.
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